GEORGE ENGELMANN, M.D. 7 



engraving of the plates appertaining to his great work on tlie 

 " CactacciC of the Boundary," which was pubHshed 'by the Gov- 

 ernment in ''Emory's Report of the United States and Mexican 

 Boundary Survey." 



In 1 868 he repeated his European trip, accompanied by his 

 wife and their only son, whom they left abroad to complete his 

 studies. His numerous contributions to scientific knowledge had 

 made his name known, and he was received with distinction by 

 all men of science on the continent as well as in England. 



During the last ten years of his life he visited and explored 

 many difterent parts of his adopted country, but, whether his 

 observations were made on the surroundings of Lake Superior 

 and the northern country, or on the Appalachians or the Rocky 

 Mountains — "where he saw for the first time in the state of 

 nature plants which he had studied and described more than 

 thirty years before" — his journeyings were invariably shared by 

 his wife, who appeared to take as much interest as himself in his 

 studies and observations. Their lives had become blended to- 

 gether, and when she, being a few years his senior, after a con- 

 jugial bliss of nearly forty years, succumbed to the overstraining 

 of her nervous system on January 29th, 1879, it was not at all 

 astonishing that he lost his accustomed composure and steadily 

 refused to be consoled. 



During those gloomy and cheerless days I was a frequent vis- 

 itor at his home, and endeavored to divert his mind from the 

 constant brooding over his loss, but seldom with any palpable 

 appearance of success. One of many incidents which occurred 

 during our many conversations was so very characteristic, and 

 so descriptive of the mental life and the mutual understanding 

 between this interesting couple, that I cannot refrain from men- 

 tioning it. He had often spoken to me of notes and of scientific 

 material which had accumulated on his hands for want of time 

 to thoroughly investigate the various subjects. I drew his at- 

 tention to these points and suggested to him that the present 



